EP1231050B1 - Vorrichtung mit Schwingarm zur Herstellung einer Luftreifenverstärkung aus einem Draht - Google Patents

Vorrichtung mit Schwingarm zur Herstellung einer Luftreifenverstärkung aus einem Draht Download PDF

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Publication number
EP1231050B1
EP1231050B1 EP02001862A EP02001862A EP1231050B1 EP 1231050 B1 EP1231050 B1 EP 1231050B1 EP 02001862 A EP02001862 A EP 02001862A EP 02001862 A EP02001862 A EP 02001862A EP 1231050 B1 EP1231050 B1 EP 1231050B1
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EP
European Patent Office
Prior art keywords
arm
rotation
geometrical axis
guiding member
cord
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02001862A
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English (en)
French (fr)
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EP1231050A3 (de
EP1231050A2 (de
Inventor
Jean-Claude Mayet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Michelin Recherche et Technique SA Switzerland
Michelin Recherche et Technique SA France
Societe de Technologie Michelin SAS
Original Assignee
Michelin Recherche et Technique SA Switzerland
Michelin Recherche et Technique SA France
Societe de Technologie Michelin SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Michelin Recherche et Technique SA Switzerland, Michelin Recherche et Technique SA France, Societe de Technologie Michelin SAS filed Critical Michelin Recherche et Technique SA Switzerland
Priority to EP05002379A priority Critical patent/EP1537985B1/de
Publication of EP1231050A2 publication Critical patent/EP1231050A2/de
Publication of EP1231050A3 publication Critical patent/EP1231050A3/de
Application granted granted Critical
Publication of EP1231050B1 publication Critical patent/EP1231050B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
    • B29D30/16—Applying the layers; Guiding or stretching the layers during application
    • B29D30/1635—Applying the layers; Guiding or stretching the layers during application by feeding a continuous band and moving it back and forth (zig-zag) to form an annular element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/70—Annular breakers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/08—Building tyres
    • B29D30/10—Building tyres on round cores, i.e. the shape of the core is approximately identical with the shape of the completed tyre
    • B29D30/16—Applying the layers; Guiding or stretching the layers during application
    • B29D2030/1664—Details, accessories or auxiliary operations not provided for in the other subgroups of B29D30/00
    • B29D2030/1678—Details, accessories or auxiliary operations not provided for in the other subgroups of B29D30/00 the layers being applied being substantially continuous, i.e. not being cut before the application step

Definitions

  • the present invention relates to the manufacture of tires. More precisely, it relates the introduction of son to provide a reinforcement of the tire. More particularly, it proposes means capable of manufacturing such reinforcement on a near or identical shape of the shape of the internal cavity of the tire, ie a substantially toroidal shape, supporting the roughing of a tire during its manufacture.
  • the important operating parameters are the center position of rotation of the swing arm, the swept angle, the radius of the arm, and the guard that the arm must present relative to the shape over its entire length and in any functional spatial position.
  • the objective of the present invention is to propose apparatus capable of operating according to the general method described in the aforementioned patent application EP 0 580 055, and capable of operate at high speeds without prejudice to the accuracy of operation.
  • the invention proposes an apparatus for manufacturing a reinforcement for a tire, said apparatus being intended to manufacture a reinforcement constituted from a thread delivered substantially continuously and at the request of a suitable distributor, said apparatus being intended to be used in cooperation with a substantially toroidal shape on which said reinforcement is progressively built by depositing hoops of said wire in a desired path for said wire on the surface of said shape, said apparatus being intended to be used in cooperation with pressers close to each end of said path, for applying the wire to the shape at said ends, said apparatus comprising a guide member in which the wire can slide freely, a swing arm system having at least a first arm oscillating about a geometric axis of rotation said oscillating arm having a head remote from its axis a rotation means, control means for imparting to said oscillating arm an oscillation movement about its geometrical axis of rotation, the apparatus being arranged so that the head of said first arm carries the guide member directly, or indirectly by the intermediate of one or more other oscillating arms, characterized in that the geometric axis of rotation
  • the invention also proposes a method for manufacturing a tire according to claim 19.
  • the term "wire” must of course be understood in a very general sense, encompassing a monofilament, a multifilament, an assembly such as a cable or a twist, or a small number of cables or twisted bundles, and this whatever the nature of the material, and that the "wire” is pre-coated with rubber or not.
  • the term “hoop” is used to designate a section of wire from one point singular to another in the reinforcement frame. All these arches arranged on everything the perimeter of the tire forms the reinforcement itself. A bow in the sense defined here may be part of a carcass, crown reinforcement or other type of reinforcement. These arches can be individualized by a section of the wire being laid, or all connected between them in the final reinforcement, for example by loops.
  • the invention deals with the continuous removal of a reinforcing wire, in a configuration as close as possible to the configuration in the final product.
  • the thread being delivered on demand by a suitable distributor including for example a spool of wire and the if necessary a device for checking the tension of the thread extracted from the reel, the apparatus for making a reinforcement from a single wire cooperates with a shape (rigid core or a membrane) on which the tire is manufactured. It does not matter whether the reinforcement is, for be complete, made in several successive rotations of the shape, with wire cut or not between two rotations.
  • the laying of the wire described here also make it possible to carry out a reinforcement, for example a reinforcement carcass, wherein the pitch of the wire is variable.
  • a reinforcement for example a reinforcement carcass
  • the distance between wires varies according to the radius at which it is measured. he This variation is not a question here, but of a variable step at a given radius. It is enough for this purpose, without changing the working rate of the guide member, vary according to any law appropriate speed of rotation of the form.
  • the plane of movement being remote from said first arm, and more precisely from its rotation shaft.
  • the apparatus comprises means for controlling said oscillating arm, arranged to confer on the arm oscillation movement about its geometric axis of rotation, the apparatus being arranged so that the head of said arm conveys the guide member in a cyclic motion described in a plane of movement, to bring the guide member in successive cycles to near each of the desired ends for the wire in said path.
  • the apparatus comprises a second arm oscillating about a geometric axis of rotation, said axes geometrical rotation being substantially parallel, said second arm having a head conveying the guide member directly, or indirectly via one or several other arms, the head of the first arm supporting the geometric axis of rotation of the second arm.
  • the head of the second arm is radially distant from the axis geometric rotation of the second arm.
  • the apparatus preferably comprises means for controlling the relative position of the second arm relative to said first arm so that the guide member is transported according to a cyclic movement described in the plane of movement, to bring the guiding member into successive cycles in the vicinity of each of the desired ends for the wire in said path.
  • the shape is a core 1 (rigid and removable) defining the geometry of the inner surface of the tire.
  • This is coated with rubber 10, for example with a layer of butyl rubber rubber gum, and with a layer of gum ensuring the coating of the carcass threads.
  • the rubber 10 covering the core 1 allows to retain hoops 40 of wire 4 on the core 1 as it is removed by a gluing effect.
  • the core 1 is rotated by any suitable device, not shown.
  • the actual laying members essentially comprise a trailing arm system 3 1a on the one hand, and pressing devices 2 G and 2 D the other.
  • the oscillating arm system 3 1a is mounted on a 3D oscillating shaft 1a whose radial axis of rotation 31R 1a is seen .
  • the geometrical axis of rotation 31R 1a intersects the core 1, in the operating position for the laying of wire 4 on the core.
  • a housing 30 1a comprises a mechanical control device, suitable for transforming the rotational movement of a motor 300 1a in motion of oscillations printed on the 3D shaft 1a .
  • the oscillating arm system 3 1a comprises a first oscillating arm 31 1a and a second oscillating arm 32 1a , arranged in cascade. This arrangement two oscillating arms makes it easy to move the guide member from one bead to the other, and thus to obtain, in conjunction with the pressing devices 2 and G 2 D, an action of the apparatus one bead to another.
  • the first arm 31 1a is mounted on the 3D oscillating shaft 1a .
  • the first arm 31 1a comprises a head 31T 1a at the end opposite to the geometric axis of rotation 31R 1a .
  • the second arm 32 1a articulated by a geometrical axis of rotation 32R 1a of the second arm, is mounted on the head 31T 1a of the first arm 31 1a .
  • the second arm 32 1a comprises a base 320 1a , oriented substantially perpendicular to the geometric axis of rotation 32R 1a .
  • the second arm 32 1a comprises an intermediate portion 32I 1a developing substantially parallel to the geometric axis of rotation, in the direction of the movement plane.
  • the second arm 32 1a comprises a head 32T 1a , at the end of which there is an orifice 6 1a .
  • a very advantageous feature of this first example (it is also found in all the other described here, without this being limiting) relates to the guiding of the wire 4.
  • the wire 4 is brought to an eyelet 301 1a , fixed in space, located substantially on the geometric axis of rotation 31R 1a of the first arm.
  • the wire enters an orifice formed at the base of the second arm 32 1a and travels inside said second arm, said second arm being hollow.
  • the guide member is constituted by an orifice 6 1a at the end of the second oscillating arm 32 1a .
  • This orifice fulfills the function filled by the eyecup "33" in the aforementioned patent application EP 0 580 055. All the examples described relate to particularly advantageous embodiments having only two oscillating arms. Therefore, the head of the second swing arm directly conveys the guide member.
  • FIG. 2 shows more particularly the presser 2 D which comprises a fork 21 D and a hammer 22 D , both movable between a retracted position, at R (position away from the core 1), and an advanced position, at A We see in broken line the hammer in advanced position.
  • the fork 21 has a head 210 in "V", to take and center the wire 4. During the grasping phase, the plane formed by the "V” is arranged substantially perpendicular to the wire 4. When the wire 4 must be arranged radially, case of Figure 1, the blade forming the fork 21 is oriented tangentially to a circle concentric with the core 1.
  • the fork 21 comprises also an obvious 211 whose role will appear below.
  • the fork 21 is intended to carry the wire 4 against the core 1 and then to keep it there. To this end, its advance towards the core 1 is triggered when the orifice 6 has brought the wire 4 to one end of the movement back and forth, ie when the device is substantially in the configuration of Figure 1.
  • the fork 21 is stopped when it anchored the thread in the rubber coating the core 1. Said fork 21 thus makes it possible to press the wire 4 with a sufficient force so that it adheres correctly at the desired location.
  • the desired laying step Given the desired laying step, it itself depends on the rotational movement of the core 1 schematized by the arrow F, the continued movement of the swingarm system 3 causes the forming a loop around the tip 212, which initiates the removal of a new arch 40 on the core 1 (see Figure 1). And the passage of the orifice 6 beyond the fork 21 in phase of return is allowed by the obviously 211, although the fork 21 is pressed against the core 1 in this phase of manufacturing. Note that the size of the loop depends on the size from the point 212.
  • the hammer 22 intervenes after the fork 21 and after the so-called return phase of the orifice 6. the examples considered, the hammer 22 presses the wire 4 to a radial position a little more high. Preferably, it still retains the wire 4 while retracting the fork 21.
  • the maintenance the hammer while the fork retracts helps to prevent the fork 21 from taking with it the loop of wire 4 which has formed around one of its points 212, and which, even if it is glued on the rubber, may tend to remain attached to the fork.
  • the anchoring of the wire 4 in the bead is perfectly reliable.
  • the movement in the advanced position, and the return to the retracted position, both for the fork 21 and for the hammer 22 are controlled in synchronism with the swingarm system 3 1a , by any suitable device (movement of the 3D shaft by a suitable mechanical transmission, for example belts or cable or by electrical synchronization between several motors).
  • the oscillating arm system 3 1a is described at the orifice 6 1a a movement flying over the core 1, and even bypassing it. In all cases, the oscillating arm system 3 travels to the orifice 6 a movement in a plane, the "plane of movement". It is necessary to heal the realization of the edges of the orifice 6 to not injure the wire 4, because the output strand thereof is generally disposed substantially in the plane of movement, that is to say in a plane that is perpendicular to the geometrical axis of rotation 31R 1a .
  • the first arm supports a cascade of gears ( Figure 3) having a first fixed gear 311 1a centered on the geometric axis of rotation of the first arm, and an end gear 313 1a centered on the geometrical axis of rotation of the second arm and secured thereto, and an intermediate gear 312 meshing with the first gear and the end gear.
  • the first pinion 311 1a fixed, is secured to the housing 30 1a .
  • the pinions 312 1a and 313 1a are rotatably mounted on the first arm 31 1a .
  • the first arm 31 1a is driven by a driving pinion 314 1a , itself driven alternatively as explained above.
  • the angle ⁇ ( Figure 4) represents the instantaneous position of the first arm 31 1a.
  • the angle ⁇ varies over a sufficient amplitude for the deposited wire to reach the trailing end zones.
  • the orifice 6 should go beyond the place where the pressing device 2 intervenes.
  • the amplitude of the angular movement of the first arm 31 1 ⁇ is quite large but the first arm is of short length and therefore of low inertia.
  • a reduction of 12/18 is used.
  • the amplitude of the angular movement of the second oscillating arm 32 1a remains compatible with high rates.
  • FIG. 4 On the left part of Figure 4, there is shown a single-arm apparatus 39, while on the right side of the same figure, there is shown an apparatus according to the first variant of the first embodiment.
  • the core 1 1 is designed to make fairly narrow tires. Apparatuses designed to approach both of them are as close to the end of the path of a roll of wire deposited on the core as possible.
  • the swingarm system requires much less free space around the core because it moves away from the nucleus when it flies over the area of the future band rolling.
  • this variant also comprises a first arm 31 1b , a 3D oscillating shaft 1b , a geometric axis of rotation 31R 1b of the first arm 31 1b , a head 31T 1b at the end opposite to the geometric axis of rotation 31R 1b . It also comprises a second arm 32 1b , having a geometric axis of rotation 32R 1b , a head 32T 1b , at the end of which is the orifice 6 1b . There is also a cascade of three gears 311 1b , 312 1b and 313 1b .
  • the first pinion 311 1b is fixed, secured to a housing not shown.
  • the pinions 312 1b and 313 1b are rotatably mounted on the first arm 31 1b .
  • the first arm 31 1b is driven by a driving gear 314 1b , itself driven alternatively as explained above.
  • FIG. 6 On the left part of FIG. 6, there is shown a single-arm apparatus 39, whereas on the right part of the same figure, there is shown an apparatus according to the second variant of the first embodiment.
  • the nucleus 1 is designed to make wide tires.
  • the orifice 6, in both cases approaches very close to the bead.
  • Figure 6 we still compare devices designed to approach both as ready as possible from the end of the trajectory of a roll of wire deposited on the core.
  • the orifice 6, in both cases approaches very ready the bead. But in the case of the invention (right part of the figure), the system with arms oscillation requires considerably less free space around the core.
  • the system of the invention also has a significant gain inertia of the parts in oscillatory movement of the depositing system. The length, so the inertia moving parts is weaker for the solution according to the invention.
  • the orifice 6 describes a motion which is symmetrical with respect to this median plane, and reaches the neighborhood of each of the bead zones defined on the core 1, in a perfectly symmetrical, this is not limiting. It is not excluded that the ends of the movement of the orifice are not at symmetrical points with respect to the median plane, for example to make a pneumatic whose trajectory of the arches would not be symmetrical. This would be the case for manufacture a tire with seat diameters (the usual term for seat of mounting) of each of the beads are different.
  • FIG. 7 there is shown only a swingarm system 32a , without showing the form on which is deposited the wire or the housing that supports it.
  • a first arm 31 2a mounted on a 3D oscillating shaft 2a having a geometric axis of rotation 31R 2a .
  • the first arm 31 2a comprises a head 31T 2a at the end opposite to the geometric axis of rotation 31R 2a .
  • a second arm 32 2a is articulated by a geometrical axis of rotation 32R 2a of the second arm on the head 31T 2a of the first arm 31 2a .
  • the apparatus comprises a fixed cam 33 2a dug in a disk 330 2a centered on the geometric axis of rotation of the first arm.
  • 34 2a a cam follower is in engagement with said cam, the first arm comprising a shoe 35 2a whose movement is controlled by the cam follower.
  • the second arm comprises a lever 312 2a substantially perpendicular to its geometric axis of rotation, the end of said lever being connected by a link 36 2a to the pad. This makes it possible to control the relative position of the second arm 32 2a relative to the first arm 31 2a .
  • the second arm comprises a base 320 2a developing substantially parallel to the geometric axis of rotation, and comprises a head 32T 2a curved towards the geometric axis of rotation of the first arm 31 2a . At the end of the head 32T 2a , there is an orifice 6 2a .
  • the second arm 32 2a is designed to move the orifice 6 2a to the plane of movement.
  • FIG. 8 shows that, in order to achieve a movement and configurations of the set of oscillating arms 32a which are symmetrical with respect to the median plane CP, the pattern of the cam 33 2a is not symmetrical with respect to the plane CP, because on one side of the CP plane, it is necessary to tilt the second arm 32 2a on one side of the first arm 31 2a , and on the other side of the CP plane, it is necessary to tilt the second arm 32 2a of the other side of the first arm 31 2a .
  • FIG. 9 On the left side of Figure 9, there is shown a single-arm apparatus 39, while on the right side of the same figure, there is shown an apparatus according to the second embodiment.
  • the core 1 is designed to make fairly narrow tires. Apparatuses designed to approach both of them are as close to the end of the path of a roll of wire deposited on the core as possible.
  • the length of the first arm 31 2a is smaller than that of the arm 39.
  • the length of the final beak formed by the head 32T 2a is much smaller than that of the spout 39T.
  • the guard "d" existing between the form and the laying device is directly comparable. We therefore see all the advantages of the invention.
  • the relative movement between the second arm and the first arm can be adjusted to the needs fairly freely since it essentially depends on the profile of the cam. It is thus released from the proportionality constraint to the relative rotational movement between the first and second arms, specific to the gear drive of the first embodiment, or the second variant of the second mode. It is possible to impose a relative position of the second arm with respect to the first arm so as, in particular, to rapidly release the orifice 6 with respect to the core 1. This ensures an appropriate guard "d" between the head 32T 2a and the core 1, by approaching sufficiently the surface of the core 1 in the area of the bead.
  • FIG. 10 illustrates an alternative embodiment of the second embodiment, in which a belt arrangement 36 2b provides a function comparable to the cam of the preceding example.
  • a 3D oscillating shaft 2b supporting a first arm 31 2b .
  • the first arm 31 2b comprises a head 31T 2b .
  • a second arm 32 2b is rotatably mounted on the head 31T 2b .
  • the toothed belt 36 2b is mounted on a first pulley 360 2b centered on the geometric axis of rotation 31R 2b of the first arm.
  • the first pulley 360 2b is non-rotatable.
  • the toothed belt 36 2b is also mounted on a second pulley 361 2b centered on the geometric axis of rotation 32R 2b of the second arm 32 2b .
  • the second pulley 361 2b is integral with said second arm.
  • the belt 36 2b is also wound around a tensioning roller 362 2b and a return roller 363 2b , both fixed to the first arm 31 2b .
  • the first arm 31 2b is mounted on a passage 3D1 2b arranged on the 3D tree 2b , and is immobilized by means of a flange 3D2 2b .
  • the tensioner roller 362 2b is mounted on the first arm 31 2b by means of a tab 365 2b having lights 364 2b .
  • Figures 11 and 12 show an embodiment suitable for the manufacture of tires for PAX system.
  • the core 13 has a characteristic shape in the area of the beads.
  • FIG 11 there is shown only a swingarm system 3 3a , without showing the form on which is deposited the wire or the housing that supports it.
  • a first arm 31 3a mounted on a 3D oscillating shaft 3a having a geometric axis of rotation 31R 3a .
  • the first arm 31 3a comprises a central portion 31C 3a intersecting the geometric axis of rotation 31R 3a and substantially perpendicular thereto.
  • the apparatus comprises a fixed cam 33 3a dug in a disk 330 3a centered on the geometric axis of rotation of the arm.
  • a cam follower 34 3a is engaged with said cam.
  • the cam follower 34 3a is integral with the central portion 31C 3a , said central portion 31C 3a sliding radially relative to the 3D oscillating shaft 3a , and therefore with respect to the geometric axis of rotation 31R 3a .
  • the translation movement M2 of the first arm 31 3a is controlled by the cam follower 34 3a .
  • the 3D oscillating shaft 3a is integral with a drive gear 314 3a , itself driven alternately as explained above (see explanations for the drive gear 314 1b of Figure 5) to confer the movement M1.
  • the angle ⁇ (FIG. 12) represents the instantaneous position of the first arm 31 3a .
  • the angle ⁇ varies over a sufficient amplitude for the deposited wire to reach the trailing end zones.
  • the orifice 6 should go beyond the place where the pressing device 2 intervenes.
  • the central portion 31C 3a joins an end portion 31T 3a substantially parallel to said geometric axis of rotation 31R 3a and supporting the guide member 6 3a .
  • the arm forms a bracket 31I 3a between the central portion 31C 3a and the end portion 31T 3a .
  • At the end of the end portion 31T 3a there is an orifice 6 3a .
  • the path of the cam 33 3a is symmetrical with respect to the plane CP.
  • Those skilled in the art will adapt the layout of the cam to the case of an asymmetrical tire.
  • the movement of the first arm can be adjusted to needs quite freely since it essentially depends on the profile of the cam. We can get close enough to the surface of the core 1 in the bead area, without moving away from the core surface around the CP plane.
  • the preceding examples illustrate apparatus in which the geometric axis of rotation of said at least one arm cuts the shape in working position, the arm (s) being formed and arranged (s) so that the guide member 6 bypasses the shape, without moving too far away, the movement between a guide member and a shape determining said desired trajectory for said wire at the surface of said shape.
  • the preceding examples illustrate apparatuses laying sections of wires from a bead to the other bead.
  • the carcass a radial tire may not be continuous from one bead to another, but may be interrupted somewhere under the tread.
  • the carcass reinforcement is then deposited between the bead and a shoulder.
  • An apparatus according to the invention could equally well be used for an action of a bead up to any point under the tread, including up to the opposite shoulder, with some degree of overlap of the half-carcasses one on the other.
  • orifice movement plane is animated by a cyclic movement in a plane, called above "orifice movement plane".
  • the core 1 is rotated around of its axis while the orifice 6 is back and forth in the orifice movement plane.
  • the movement of the core 1 is in synchronism with the movement back and forth of the orifice.
  • the actual trajectory of the arches 40 of the wire 4 is therefore both a function of the fixed position relative (which can be tilted) between the orifice movement plane and the nucleus, and is a function of the relative movement between the core 1 and the back and forth of the orifice 6.
  • the trajectory of the arch 40 is substantially radial because it describes the realization of a carcass for a radial tire, without that of course being limiting.
  • the plane of movement could also form any angle, for example of the order of 20 °, with respect to a plane perpendicular to the axis of rotation of the core 1, according to the usual conventions for measuring the angles in the field of the tire. .
  • the pressing devices 2 G and 2 D act in the same plane of deposition.
  • All the installation members namely the oscillating arm system 3 and the pressing devices 2, including the motor and the drive mechanism, forms a subset easily be presented to the kernel appropriately, and can be retracted for example present to the core other devices used for the manufacture of a tire or for the evacuation of the core to other manufacturing stations of a tire.
  • the invention makes it possible to manufacture a tire by a process in which a tire is manufactured.
  • the method makes it possible to manufacture said reinforcement by depositing the hoops side by side said wire to the surface of said shape.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Claims (20)

  1. Vorrichtung zur Herstellung einer Verstärkung für Luftreifen, wobei die Vorrichtung dazu bestimmt ist, eine Verstärkung herzustellen, die aus einem Draht (4) besteht, der im Wesentlichen kontinuierlich und nach Bedarf durch eine geeignete Abgabeeinrichtung zugeführt wird, wobei die Vorrichtung für einen Einsatz zusammen mit einer im Wesentlichen ringförmigen Form (1) vorgesehen ist, auf der die Verstärkung schrittweise aufgebaut wird, indem Bögen des Drahts gemäß einer für den Draht gewünschten Bahn auf der Oberfläche der Form abgelegt werden,
    wobei die Vorrichtung umfasst:
    ein Führungselement (6), in dem der Draht frei gleiten kann,
    ein System mit Schwingarm (31a), das mindestens einen ersten Arm (31) aufweist, der um eine geometrische Drehachse (31R1a) schwingt, wobei der Schwingarm einen Kopf (31T) besitzt, der von seiner geometrischen Drehachse (31R) beabstandet ist, und
    Steuereinrichtungen, um den Schwingarm in eine schwingende Bewegung um seine geometrische Drehachse (31R1a) zu versetzen, wobei die Vorrichtung so aufgebaut ist, dass der Kopf des ersten Schwingarms das Führungselement (6) direkt oder indirekt über einen oder mehrere weitere Arme bewegt,
    und wobei die Vorrichtung für einen Einsatz zusammen mit Andrückeinrichtungen (2G und 2D) vorgesehen ist, die sich jeweils nahe bei den Enden der Bahn befinden, um den Draht an diesen Enden auf die Form aufzubringen,
    dadurch gekennzeichnet, dass
    die geometrische Drehachse des ersten Arms (31) die Form (1) in Betriebsposition schneidet und der radiale Abstand zwischen dem Führungselement (6) und der geometrischen Drehachse (31R) des Arms veränderlich ist.
  2. Vorrichtung nach Anspruch 1, worin das System mit Schwingarmen (31a) einen zweiten Arm (32) umfasst, der um eine geometrische Drehachse (32R) schwingt, wobei die geometrischen Drehachsen im Wesentlichen zueinander parallel sind, wobei der zweite Arm einen Kopf (32T) aufweist, der das Führungselement direkt oder indirekt über einen oder mehrere weitere Arme bewegt, und wobei der Kopf (31T) des ersten Arms (31) die geometrische Drehachse (32R) des zweiten Arms (32) trägt.
  3. Vorrichtung nach Anspruch 2, worin der Kopf (32T) des zweiten Arms (32) in radialer Richtung von der geometrischen Drehachse (32R) des zweiten Arms abgerückt ist.
  4. Vorrichtung nach Anspruch 2 oder 3, die Einrichtungen zur Steuerung der relativen Position des zweiten Arms im Verhältnis zu der Position des ersten Arms enthält, die so sind, dass das Führungselement gemäß einer zyklischen Bewegung bewegt wird, um das Führungselement in aufeinander folgenden Zyklen jeweils in die Nähe der Enden zu bringen, die für den Draht in der Bahn vorgesehen sind.
  5. Vorrichtung nach einem der Ansprüche 2 bis 4, worin der Kopf (32T) des zweiten Arms zu der Form hin gebogen ist und direkt das Führungselement (6) trägt, um das Führungselement zumindest in der Konfiguration, die von der Vorrichtung eingenommen wird, wenn sich das Führungselement in der Nähe des Endes des Bahn befindet, an die Form anzunähern.
  6. Vorrichtung nach einem der Ansprüche 2 bis 4, worin der erste Arm (31) im Wesentlichen senkrecht zu seiner geometrischen Drehachse ausgerichtet ist, wobei der zweite Arm (32) mindestens ein Zwischenstück (321) aufweist, das im Wesentlichen parallel zu der geometrischen Drehachse des ersten Arms ausgerichtet ist.
  7. Vorrichtung nach einem der Ansprüche 2 bis 6, worin die Basis (320) des zweiten Arms, die die geometrische Drehachse mit einschließt, im Wesentlichen senkrecht zu der geometrischen Drehachse ausgerichtet ist.
  8. Vorrichtung nach Anspruch 7, worin der erste Arm eine Reihe von Zahnrädern trägt, mit einem ersten feststehenden Zahnrad (3111), das um die geometrische Drehachse des ersten Arms angeordnet ist, einem endständigen Zahnrad (3131), das um die geometrische Drehachse des zweiten Arms angeordnet und fest mit diesem verbunden ist, und einem dazwischen befindlichen Zahnrad (3121), das mit dem ersten Zahnrad und mit dem endständigen Zahnrad in Eingriff ist.
  9. Vorrichtung nach Anspruch 8, worin die Zähnezahl Nf des feststehenden Zahnrads (3111a) kleiner ist als die Zähnezahl Ne des endständigen Zahnrads (3131a), mit Nf = a Ne, wobei der erste Arm Schwingungen mit einer Amplitude α beschreibt, wobei α in invers trigonometrischer Richtung positiv ist, und der zweite Arm Schwingungen mit einer Amplitude β = 180° - aα um die Form herum beschreibt, wobei β in trigonometrischer Richtung positiv ist.
  10. Vorrichtung nach Anspruch 8, worin die Zähnezahl Nf des feststehenden Zahnrads (3111b) größer ist als die Zähnezahl Ne des endständigen Zahnrads (3131b), mit Nf = a Ne, wobei der erste Arm in dem Raum auf der Seite seiner geometrischen Drehachse, die der Form gegenüber liegt, Schwingungen mit einer Amplitude α beschreibt, und der zweite Arm Schwingungen mit einer Amplitude β = aα um die Form herum beschreibt,
    wobei α in invers trigonometrischer Richtung positiv ist und β in trigonometrischer Richtung positiv ist.
  11. Vorrichtung nach Anspruch 7, worin der erste Arm (312b) einen Zahnriemen (362b) trägt, der auf einer ersten Rolle (3602b), die um die geometrische Drehachse des ersten Arms angeordnet ist und die nicht drehbar ist, und auf einer zweiten Rolle (3612b) montiert ist, die um die geometrische Drehachse des zweiten Arms (322b) angeordnet ist und die fest mit diesem zweiten Arm verbunden ist.
  12. Vorrichtung nach einem der Ansprüche 2 bis 7, die eine feststehende Kurve (332a) umfasst, die um die geometrische Drehachse des ersten Arms angeordnet ist, wobei der erste Arm eine Kurvenrolle (342a) trägt, die mit der Kurve in Eingriff ist, der erste Arm einen Schlitten (352a) aufweist, dessen Bewegung durch die Kurvenrolle gesteuert wird, der zweite Arm eine Nase (3122a) besitzt, die im Wesentlichen senkrecht zu seiner geometrischen Drehachse ausgerichtet ist, und das Ende der Nase durch eine Schubstange (362a) mit dem Schlitten verbunden ist.
  13. Vorrichtung nach einem der Ansprüche 2 bis 12, worin der Kopf des zweiten Schwingarms direkt das Führungselement bewegt.
  14. Vorrichtung nach Anspruch 1, worin der zumindest eine Arm (313a) ein zentrales Stück (31C3a)aufweist, das die geometrische Drehachse (31R3a) schneidet und im Wesentlichen senkrecht zu dieser ausgerichtet ist und das mit einem Endstück (31T3a) zusammengefügt ist, das im Wesentlichen parallel zu der geometrischen Drehachse (31R3a) ausgerichtet ist und das Führungselement (63a) trägt, wobei das zentrale Stück (31C3a) bezogen auf die geometrische Drehachse (31R3a) in radialer Richtung verschiebbar ist.
  15. Vorrichtung nach Anspruch 14, die eine feststehende Kurve (333a) und einen Kurvenroller (343a), der mit der Kurve in Eingriff ist und der fest mit dem zentralen Stück (31C3a) verbunden ist, umfasst, wobei die Translationsbewegung des Arms (313a) durch den Kurvenroller (343a) gesteuert wird.
  16. Vorrichtung nach einem der Ansprüche 1 bis 15, worin der oder die Arme so ausgebildet und angeordnet ist (sind), dass das Führungselement (6) um die Form herum läuft, wobei die Bewegung des Führungselements im Wesentlichen in einer als Bewegungsebene bezeichneten Ebene abläuft, wobei die Bewegungsebene senkrecht zu der geometrischen Drehachse des ersten Arms ausgerichtet ist und wobei die relative Bewegung des Führungselements im Verhältnis zu der Bewegung der Form die Bahn bestimmt, der der Draht auf der Oberfläche der Form folgen soll.
  17. Vorrichtung nach einem der Ansprüche 1 bis 16, worin das Führungselement von einer Öffnung am Ende des zweiten Schwingarms gebildet wird, wobei der zweite Arm hohl ist und der Draht durch ihn hindurch läuft.
  18. Vorrichtung nach einem der Ansprüche 1 bis 17, worin die Einrichtungen zur Steuerung des Schwingarms das Führungselement (6) gemäß einer in einer Bewegungsebene beschriebenen zyklischen Bewegung transportieren, damit das Führungselement in aufeinander folgenden Zyklen jeweils in die Nähe der Enden gebracht wird, die für den Draht in der Bahn gewünscht sind.
  19. Verfahren zur Fertigung eines Luftreifens, worin eine Verstärkung aus einem Draht hergestellt wird, der im Wesentlichen kontinuierlich und nach Bedarf durch eine geeignete Abgabeeinrichtung zugeführt wird, wobei eine im Wesentlichen ringförmige Form zum Einsatz kommt, auf der die Verstärkung schrittweise aufgebaut wird, indem Bögen des Drahts gemäß einer Bahn, der der Draht folgen soll, mit Hilfe einer Vorrichtung nach einem der Ansprüche 1 bis 11 und gemäß einer in einer Bewegungsebene beschriebenen zyklischen Bewegung, um das Führungselement in aufeinander folgenden Zyklen jeweils in die Nähe der für den Draht in der Bahn gewünschten Enden zu bringen, auf der Oberfläche der Form abgelegt werden, wobei die Vorrichtung ferner Andrückeinrichtungen (2G und 2D) umfasst, die sich jeweils in der Nähe der Enden der Bahn befinden, um den Draht an diesen Enden auf die Form aufzubringen, wobei im Gleichlauf mit der zyklischen Bewegung des Führungselements gearbeitet wird und Drahtstücke von einem der Wülste des Luftreifens zu dem anderen Wulst aufgebracht werden.
  20. Verfahren zur Fertigung eines Luftreifens nach Anspruch 19, worin die Verstärkung hergestellt wird, indem die Bögen des
EP02001862A 2001-02-07 2002-01-28 Vorrichtung mit Schwingarm zur Herstellung einer Luftreifenverstärkung aus einem Draht Expired - Lifetime EP1231050B1 (de)

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EP05002379A EP1537985B1 (de) 2001-02-07 2002-01-28 Schwingarmvorrichtung zur Herstellung einer Reifenverstärkungsstruktur mit einem einzigen Reifenkord

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FR0101748 2001-02-07
FR0101748 2001-02-07

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EP05002379A Division EP1537985B1 (de) 2001-02-07 2002-01-28 Schwingarmvorrichtung zur Herstellung einer Reifenverstärkungsstruktur mit einem einzigen Reifenkord
EP05002379.5 Division-Into 2005-02-04

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EP1231050A2 EP1231050A2 (de) 2002-08-14
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EP05002379A Expired - Lifetime EP1537985B1 (de) 2001-02-07 2002-01-28 Schwingarmvorrichtung zur Herstellung einer Reifenverstärkungsstruktur mit einem einzigen Reifenkord

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FR2827806A1 (fr) 2001-07-26 2003-01-31 Michelin Soc Tech Appareil de fabrication d'un renforcement pour pneumatique
FR2848141A1 (fr) * 2002-12-04 2004-06-11 Michelin Soc Tech Appareil de fabrication d'un renforcement pour pneumatique, a bras de pose multiples comportant un mouvement guide par un suiveur de came coulissant dans une lumiere
ES2268257T3 (es) * 2002-12-04 2007-03-16 Societe De Technologie Michelin Aparato para la fabricacion de un elemento de refuerzo para neumaticos de gran anchura.
US20040154727A1 (en) * 2003-02-11 2004-08-12 Weissert James Thomas Method and apparatus for manufacturing carcass plies for a tire
FR2877873B1 (fr) * 2004-11-12 2007-02-09 Michelin Soc Tech Appareil de fabrication d'un renforcement pour pneumatique
US7568512B2 (en) * 2005-06-17 2009-08-04 Michelin Recherche Et Technique S.A. Device for laying reinforcement cord
US20070125482A1 (en) * 2005-12-01 2007-06-07 Weissert James T Bi-directional tooling head and method for tire cord application
US7753098B2 (en) * 2005-12-01 2010-07-13 The Goodyear Tire & Rubber Company Spring loaded tooling head and method for tire cord application
US20070125471A1 (en) * 2005-12-01 2007-06-07 Weissert James T Split cord geodesic configurations for a tire
US7686053B2 (en) * 2005-12-01 2010-03-30 The Goodyear Tire & Rubber Company Cord tensioning and feed mechanism for a tire cord applicator head
US20070125478A1 (en) * 2005-12-01 2007-06-07 Weissert James T Tire cord application station and method
US7740039B2 (en) * 2005-12-01 2010-06-22 The Goodyear Tire & Rubber Company Cord cutting mechanism and method for a tire cord applicator head
US20070125480A1 (en) * 2005-12-01 2007-06-07 Henthorne David A Synchronous drive and method for tire cord application
US8578994B2 (en) 2006-12-19 2013-11-12 The Goodyear Tire & Rubber Company Applicator head for tire cord construction
US20100200152A1 (en) * 2007-09-10 2010-08-12 Maurizio Marchini Process and apparatus for manufacturing a reinforcing structure for tyres of vehicles
US10307980B2 (en) 2013-02-20 2019-06-04 The Goodyear Tire & Rubber Company Tire building applicator members and systems
FR3105081B1 (fr) * 2019-12-20 2021-11-19 Michelin & Cie Machine de fabrication automatique de bandages pneumatiques à sommet dit « polarisé »
CN115467179B (zh) * 2022-10-08 2023-12-15 江苏亚盛金属制品有限公司 一种不锈钢丝多股绞合装置

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GB179312A (en) * 1921-02-03 1922-05-03 Dunlop Rubber Co Improvements in or relating to machines for making pneumatic tyre covers or casings
US5159249A (en) * 1989-05-16 1992-10-27 Dalila Megherbi Method and apparatus for controlling robot motion at and near singularities and for robot mechanical design
ES2099324T3 (es) * 1992-07-21 1997-05-16 Sedepro Procedimiento y maquina para la colocacion en un nucleo de un solo hilo de refuerzo en la fabricacion de una carcasa de neumatico.
FR2804367B1 (fr) * 2000-02-01 2002-09-20 Sedepro Appareil a bras oscillant, pour la fabrication d'un renfort de pneumatique a partir d'un seul fil
JP4233658B2 (ja) * 1998-06-01 2009-03-04 株式会社ブリヂストン カーカスコードの貼付け装置およびタイヤの製造方法
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FR2804368A1 (fr) * 2000-02-01 2001-08-03 Sedepro Appareil pour la fabrication de renforts pour pneumatique

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ATE368563T1 (de) 2007-08-15
CN100400275C (zh) 2008-07-09
RU2285614C2 (ru) 2006-10-20
DE60207119D1 (de) 2005-12-15
US20020117265A1 (en) 2002-08-29
EP1231050A3 (de) 2003-05-02
US20050189062A1 (en) 2005-09-01
ES2252328T3 (es) 2006-05-16
DE60221580T2 (de) 2008-04-17
KR20020065850A (ko) 2002-08-14
DE60221580D1 (de) 2007-09-13
BR0200323A (pt) 2002-10-29
DE60207119T2 (de) 2006-07-27
CN1369387A (zh) 2002-09-18
EP1537985A2 (de) 2005-06-08
US7285176B2 (en) 2007-10-23
EP1231050A2 (de) 2002-08-14
EP1537985A3 (de) 2005-06-15
EP1537985B1 (de) 2007-08-01
JP2002273799A (ja) 2002-09-25
US6887327B2 (en) 2005-05-03
ATE309084T1 (de) 2005-11-15

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